The Mi4s is one of the best phone in the market. It is lauched in China. It has 5 megapixel front camers and 13 megapixel rear camera. It has fingerprint sensor which is having a very good response and it is very fast. It is dual sim and it supports 128 gb of memory card. It is better than mi4 and screen is same and its processor is 808 smapdragon.